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Nissan Armada 2025-2026 Service and Repair Manual: Inspection and Adjustment

Nissan Armada 2025-2026 Service and Repair Manual / Driver Information & Multimedia / Sonar System / Inspection and Adjustment

Additional Service When Replacing Sonar Control Unit

Description

CAUTION:

  • When replacing the sonar control unit, always replace it with a new one. Sonar system does not operate properly in case of reuse of the sonar control unit from another vehicle.

  • When before writing the sonar control unit configuration, always writing the MAC key.

Perform the following operations when replacing sonar control unit. For details, refer to Work Procedure.

AFTER REPLACEMENT

When after replacing sonar control unit, the following items must be performed. Or not doing so, sonar system does not operate normally.

  • Writing vehicle specification

  • Configuration

  • Writing MAC key

Work Procedure

Perform the following procedures after replacing the sonar control unit.

REPLACE SONAR CONTROL UNIT

Replace sonar control unit. Refer to SONAR CONTROL UNIT : Removal & Installation.

>>

GO TO 2.

PERFORM CONFIGURATION

With CONSULT

Perform "Replace ECU". Refer to Description.

>>

GO TO 3.

WRITING MAC KEY

With CONSULT

Perform MAC KEY writing. Refer to Description.

>>

GO TO 4.

PERFORM SELF-DIAGNOSIS

With CONSULT

  1. Perform the self-diagnosis of sonar control unit with CONSULT (SONAR).

  2. Check if any DTC is detected.

Is any DTC detected?

YES>>

Perform the trouble diagnosis for the detected DTC. Refer to DTC Index.

NO>>

GO TO 5.

OPERATION CHECK

Confirm that the operation of the sonar is normal.

>>

WORK END

Mac Key Writing

Description

When replacing sonar control unit, it is necessary to write MAC key to sonar control unit. Write MAC key to sonar control unit according to "MAC KEY writing" procedure of "CONSULT Operation Manual". Refer to Work Procedure.

CAUTION:

During MAC key writing, maintain the following conditions:

  • Ignition switch ON

  • CONSULT is connected to internet

Work Procedure

PERFORM MAC KEY WRITING

With CONSULT

  1. Ignition switch ON.

  2. Select "MAC KEY writing" on "Work Support" of "SONAR" using CONSULT.

  3. Touch "Write".

>>

WORK END

Configuration (sonar Control Unit)

Description

Vehicle specification needs to be written with CONSULT because it is not written after replacing the sonar control unit.

The configuration requires network connection. CONSULT connects to network and then it downloads the configuration data from the server. Then CONSULT writes the vehicle specification to the sonar control unit.

Refer to Work Procedure.

NOTE:

For details the network connection and operation, refer to “CONSULT Operation Manual”.

The configuration no need to “save” configuration data from the sonar control unit. The configuration data is always generated freshly at the server and then downloaded to the CONSULT.

CAUTION:

  • Complete the procedure of “Replace ECU” in order.

  • If incorrect “Replace ECU”, incidents might occur.

Work Procedure

WRITING VEHICLE SPECIFICATION

With CONSULT

Perform writing vehicle specification to sonarcontrol unit following "Automatic Configuration" procedure of "Replace ECU" according to CONSULT Operation Manual.

NOTE:

  • Log in the network according to CONSULT guidance.

  • For details the network connection and operation, refer to “CONSULT Operation Manual”.

>>

WORK END

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